NL6915008A - - Google Patents
Info
- Publication number
- NL6915008A NL6915008A NL6915008A NL6915008A NL6915008A NL 6915008 A NL6915008 A NL 6915008A NL 6915008 A NL6915008 A NL 6915008A NL 6915008 A NL6915008 A NL 6915008A NL 6915008 A NL6915008 A NL 6915008A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
- C08B11/22—Isolation
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16135A US3049537A (en) | 1960-03-21 | 1960-03-21 | Water-soluble cellulose ethers and process |
| NL262627A NL262627A (pt) | 1960-03-21 | 1961-03-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6915008A true NL6915008A (pt) | 1969-12-29 |
| NL146174B NL146174B (nl) | 1975-06-16 |
Family
ID=21775579
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL696915007A NL148326B (nl) | 1960-03-21 | 1969-10-03 | Werkwijze voor het winnen van een in water oplosbare hydroxyalkylcelluloseether. |
| NL696915008A NL146174B (nl) | 1960-03-21 | 1969-10-03 | Werkwijze voor het winnen van een in water oplosbare hydroxyalkylcellulose-ether uit een basisch reagerend reactiemengsel. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL696915007A NL148326B (nl) | 1960-03-21 | 1969-10-03 | Werkwijze voor het winnen van een in water oplosbare hydroxyalkylcelluloseether. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3049537A (pt) |
| FR (1) | FR1288984A (pt) |
| GB (1) | GB944760A (pt) |
| NL (2) | NL148326B (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1244145B (de) * | 1964-05-02 | 1967-07-13 | Henkel & Cie Gmbh | Verfahren zum Reinigen von wasserloeslicher Hydroxyaethylcellulose |
| US3898165A (en) * | 1972-04-18 | 1975-08-05 | Halliburton Co | Compositions for fracturing high temperature well formations |
| US4392964A (en) * | 1980-05-05 | 1983-07-12 | Nl Industries, Inc. | Compositions and method for thickening aqueous brines |
| ITVA20020051A1 (it) * | 2002-10-14 | 2004-04-15 | Lamberti Spa | Modificatore di reologia per prodotti destinati all'edilizia. |
| CN100427507C (zh) * | 2006-10-17 | 2008-10-22 | 中国林业科学研究院林产化学工业研究所 | 没食子酰化改性纤维素及其合成方法 |
| WO2013098659A1 (en) * | 2011-12-28 | 2013-07-04 | Viridis Biopharma Pvt Ltd | Process for the synthesis of highly pure cationic surfactant products |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1448091A (en) * | 1922-02-02 | 1923-03-13 | Eastman Kodak Co | Purification of cellulose ether |
| US1914172A (en) * | 1930-08-14 | 1933-06-13 | Burgess Lab Inc C F | Manufacture of ether derivatives of carbohydrates like cellulose |
| US2101032A (en) * | 1934-10-06 | 1937-12-07 | Hercules Powder Co Ltd | Method for the recovery of aralkyl ethers of cellulose |
| US2178630A (en) * | 1937-09-03 | 1939-11-07 | Hercules Powder Co Ltd | Method for the purification of cellulose ethers |
| US2698254A (en) * | 1951-03-30 | 1954-12-28 | Hercules Powder Co Ltd | Process for treating a reaction mixture containing hydroxyalkyl cellulose and alkali |
-
1960
- 1960-03-21 US US16135A patent/US3049537A/en not_active Expired - Lifetime
-
1961
- 1961-03-09 GB GB8696/61A patent/GB944760A/en not_active Expired
- 1961-03-21 FR FR41372A patent/FR1288984A/fr not_active Expired
-
1969
- 1969-10-03 NL NL696915007A patent/NL148326B/xx unknown
- 1969-10-03 NL NL696915008A patent/NL146174B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB944760A (en) | 1963-12-18 |
| FR1288984A (fr) | 1962-03-30 |
| NL148326B (nl) | 1976-01-15 |
| US3049537A (en) | 1962-08-14 |
| NL6915007A (pt) | 1969-12-29 |
| NL146174B (nl) | 1975-06-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application | ||
| NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: HERCULES |